package Mouse::TypeRegistry;
use strict;
use warnings;
-use Scalar::Util qw/looks_like_number blessed openhandle/;
+
+use Mouse::Util qw/blessed looks_like_number openhandle/;
no warnings 'uninitialized';
sub optimized_constraints {
Num => sub { !ref($_) && looks_like_number($_) },
Int => sub { defined($_) && !ref($_) && /^-?[0-9]+$/ },
Str => sub { defined($_) && !ref($_) },
+ ClassName => sub { Mouse::is_class_loaded($_) },
Ref => sub { ref($_) },
ScalarRef => sub { ref($_) eq 'SCALAR' },
},
Object => sub { blessed($_) && blessed($_) ne 'Regexp' },
-
- ClassName => sub {
- return if ref($_);
- return unless defined($_) && length($_);
-
- # walk the symbol table tree to avoid autovififying
- # \*{${main::}{"Foo::"}} == \*main::Foo::
-
- my $pack = \*::;
- foreach my $part (split('::', $_)) {
- return unless exists ${$$pack}{"${part}::"};
- $pack = \*{${$$pack}{"${part}::"}};
- }
-
- # check for $VERSION or @ISA
- return 1 if exists ${$$pack}{VERSION}
- && defined *{${$$pack}{VERSION}}{SCALAR};
- return 1 if exists ${$$pack}{ISA}
- && defined *{${$$pack}{ISA}}{ARRAY};
-
- # check for any method
- foreach ( keys %{$$pack} ) {
- next if substr($_, -2, 2) eq '::';
- return 1 if defined *{${$$pack}{$_}}{CODE};
- }
-
- # fail
- return;
- },
};
}